MIL-DTL-45322J
between 0 and 12 manhours during the first 6000 miles of operation (see 4.5.7). This equates to
a Maintenance Ratio (MR) of 0.013 to 0.067 at 20 miles per hours (mph) and a MR of 0.02 to
0.10 at 30 mph. The scheduled maintenance intervals shall be 3 months or 3000 miles of
operation, whichever comes first. Maximum time to repair (only to include diagnosis, repair and
verification) shall be as follows, using personnel normally employed:
a. Organization maintenance shall not exceed 3 manhours 95% of the time.
b. Direct support maintenance shall not exceed 10 manhours 95% of the time.
c. General support maintenance - not required.
3.4.3 Environmental. The vehicle shall operate as specified herein, under extreme
conditions of weather, in ambient air temperatures ranging from -50 degrees Fahrenheit (°F) to
+125 °F (see 4.5.8).
3.4.4 Service products. Servicing and lubrication shall be performed using standard
service products (see 4.5.1 and 6.5).
3.4.5 Highway and cross-country operations.
3.4.5.1 Highway operation. When loaded and towed at specified speeds, in a straight
line, on a relatively level, smooth paved surface, the path of the towed vehicle shall not deviate
more than 3 inches to either side of the path of the towing vehicle (see 4.5.9).
3.4.5.2 Cross-country operation. The vehicle shall be towable at specified load and
speed over unimproved roads, or gently rolling terrain. When so operated in a straight line, the
vehicle shall track the towing vehicle without damage to itself or the towing vehicle. Stability
shall be maintained (see 4.5.10).
3.4.6 Gradeability. When towed over a dry, hard-surfaced road, free of loose material,
each vehicle shall exhibit the stability and gradeability specified.
3.4.6.1 Longitudinal inclines. Each vehicle shall follow the towing vehicle, without
weaving to an extent which adversely affects the controllability of the vehicle combination, when
ascending or descending longitudinal inclines having a 15% grade (see 4.5.11).
3.4.6.2 Side slopes. Each vehicle shall follow the towing vehicle without slipping or
upsetting when operating, either left or right, on 20% side slopes (see 4.5.12).
3.4.7 Turning ability. When coupled to the towing vehicle, operating in its minimum
turning circle, each vehicle shall follow without cramping or side-slipping and without damage
to or interference between the towed vehicle and the towing vehicle (see 4.5.13).
3.4.8 Braking ability.
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